body {
    background: url("./background.jpg") no-repeat;
    background-size: cover;
    background-attachment: fixed;
}
* {
    -moz-user-select: none;
    -o-user-select:none;
    -khtml-user-select:none;
    -webkit-user-select:none;
    -ms-user-select:none;
    user-select:none;
}